Digital Audio Broadcasting

ALSO CALLED:
Digital Audio Broadcasting Services,
Digital Radio Services,
DAB,
Digital Radio,
Direct Broadcast Radio SystemsDEFINITION: Digital audio broadcasting (DAB), also known as digital radio and high-definition radio, is audiobroadcasting in which analogaudio is converted into a digitalsignal and transmitted on an assigned channel in the AM or (more usually) FM frequency range. DABis said to offer compact disc (CD)- quality audio on the FM (frequency modulation) broadcast bandand to offer FM-quality audio on the AM (amplitude
Definition continues below.

WHITE PAPER:
Speaking at a web seminar involves much more skill and strategy than you might expect. Check out this e-book to explore six witty chapters of tips, advice and insight on delivering virtual presentations and learn how to keep your audience tuned in and interested!

DIGITAL AUDIO BROADCASTING DEFINITION (continued): modulation) broadcast band. The technology wasfirst deployed in the United Kingdom in 1995, and has become common throughout Europe.Digital audio broadcast signals are transmitted in-band, on-channel (IBOC). Several stations canbe carried within the same frequency spectrum. Listeners must have a receiver equipped to handleDAB signals. At the transmitting site, the signal is compressed using MPEGalgorithms and modulated using coded orthogonal frequency division multiplexing (COFDM). Adigital signal offers several advantages over conventional analog transmission, including improvedsound quality, Digital Audio Broadcasting definition sponsored by SearchMobileComputing.com, powered by WhatIs.com an online computer dictionary

TechTarget provides enterprise IT professionals with the information they need to perform their jobs - from developing strategy, to making cost-effective IT purchase decisions and managing their organizations' IT projects - with its network of technology-specific Web sites, events and magazines